package com.ny.demo523;

import java.sql.SQLException;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws SQLException,ClassNotFoundException {
        UserDao userDao = new UserDao();
        System.out.println("来的xx系统");
        while (true){
        System.out.println("1.注册");
        System.out.println("2.登录");
        System.out.println("3.删除");
        System.out.println("4.修改");
        System.out.println("5.退出");
            Scanner scanner=new Scanner(System.in);
            System.out.println("请输入你的选择");
            int choice = scanner.nextInt();
            switch (choice){
                case 1:
                    System.out.println("欢迎来到注册系统");
                    System.out.println("请输入用户名");
                    String username=scanner.next();
                    System.out.println("请输入密码");
                    String password=scanner.next();
                    int i =userDao.addUser(username,password);
                    if (i>0){
                        System.out.println("注册成功");
                    }
                    else {
                        System.out.println("注册失败");
                    }
               break;
             case 2:
                 System.out.println("请输入用户名");
                 String username1=scanner.next();
                 System.out.println("请输入密码");
                 String password1=scanner.next();
                 Users users = userDao.login(username1,password1);
                 if (users!=null){
                     System.out.println("登陆成功");
                 }
                 else {
                     System.out.println("登陆失败");
                 }
                 break;
                 case 3:
                     System.out.println("请输入要删除的用户id");
                     String username2=scanner.next();
                     String password2=scanner.next();
                     int m= userDao.addUser(username2,password2);
                     if (m> 0) {
                         System.out.println("删除成功");
                     } else {
                         System.out.println("删除失败");
                     }
                     break;
                     case 4:
                             System.out.println("请输入要修改的用户id");
                             String  username3 = scanner.next();
                             System.out.println("请输入用户名");
                             String  password3= scanner.next();
                             int n = userDao.addUser(username3,password3);
                             if (n > 0) {
                                 System.out.println("修改成功");
                             } else {
                                 System.out.println("修改失败");
                             }
                             break;
                             case 5:
                                 System.out.println("退出系统");
                                 System.exit(0);
                                 break;
                                 default:{
                                     System.out.println("输入错误");
                                 }
                                     }
                                 }
                             }
                         }

